pleistocene

Noun
  1. From two million to 11 thousand years ago;
    Extensive glaciation of the northern hemisphere;
    The time of human evolution (synset 115149816)
    is an instance of: epoch - a unit of geological time that is a subdivision of a period and is itself divided into ages
    is a part of: age of man, quaternary, quaternary period - last 2 million years
    same as: glacial epoch, pleistocene epoch

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